diff --git a/packages/block-library/src/heading/edit.native.js b/packages/block-library/src/heading/edit.native.js
index fba00e8c6f15ba..3d84600da25fde 100644
--- a/packages/block-library/src/heading/edit.native.js
+++ b/packages/block-library/src/heading/edit.native.js
@@ -14,7 +14,7 @@ import { View } from 'react-native';
 import { __ } from '@wordpress/i18n';
 import { Component } from '@wordpress/element';
 import { RichText } from '@wordpress/editor';
-import { parse } from '@wordpress/blocks';
+import { parse, createBlock } from '@wordpress/blocks';
 
 /**
  * Internal dependencies
@@ -24,6 +24,24 @@ import './editor.scss';
 const minHeight = 50;
 
 class HeadingEdit extends Component {
+	constructor() {
+		super( ...arguments );
+		this.splitBlock = this.splitBlock.bind( this );
+	}
+
+	// eslint-disable-next-line no-unused-vars
+	splitBlock( htmlText, start, end ) {
+		const {
+			insertBlocksAfter,
+		} = this.props;
+
+		if ( insertBlocksAfter ) {
+			const blocks = [];
+			blocks.push( createBlock( 'core/paragraph', { content: 'Test' } ) );
+			insertBlocksAfter( blocks );
+		}
+	}
+
 	render() {
 		const {
 			attributes,
@@ -55,6 +73,7 @@ class HeadingEdit extends Component {
 							content: newParaBlock.attributes.content,
 						} );
 					} }
+					onSplit={ this.splitBlock }
 					onContentSizeChange={ ( event ) => {
 						setAttributes( { aztecHeight: event.aztecHeight } );
 					} }
diff --git a/packages/block-library/src/paragraph/edit.native.js b/packages/block-library/src/paragraph/edit.native.js
index 9b6975cbf8e929..1b35bf84a1088f 100644
--- a/packages/block-library/src/paragraph/edit.native.js
+++ b/packages/block-library/src/paragraph/edit.native.js
@@ -8,12 +8,30 @@ import { View } from 'react-native';
  */
 import { __ } from '@wordpress/i18n';
 import { Component } from '@wordpress/element';
-import { parse } from '@wordpress/blocks';
+import { parse, createBlock } from '@wordpress/blocks';
 import { RichText } from '@wordpress/editor';
 
 const minHeight = 50;
 
 class ParagraphEdit extends Component {
+	constructor() {
+		super( ...arguments );
+		this.splitBlock = this.splitBlock.bind( this );
+	}
+
+	// eslint-disable-next-line no-unused-vars
+	splitBlock( htmlText, start, end ) {
+		const {
+			insertBlocksAfter,
+		} = this.props;
+
+		if ( insertBlocksAfter ) {
+			const blocks = [];
+			blocks.push( createBlock( 'core/paragraph', { content: 'Test' } ) );
+			insertBlocksAfter( blocks );
+		}
+	}
+
 	render() {
 		const {
 			attributes,
@@ -44,6 +62,7 @@ class ParagraphEdit extends Component {
 						} );
 					}
 					}
+					onSplit={ this.splitBlock }
 					onContentSizeChange={ ( event ) => {
 						setAttributes( {
 							...this.props.attributes,
diff --git a/packages/editor/src/components/rich-text/index.native.js b/packages/editor/src/components/rich-text/index.native.js
index e2715369f7cdbc..71d13f67761c21 100644
--- a/packages/editor/src/components/rich-text/index.native.js
+++ b/packages/editor/src/components/rich-text/index.native.js
@@ -48,8 +48,20 @@ export class RichText extends Component {
 	}
 
 	// eslint-disable-next-line no-unused-vars
-	onHTMLContentWithCursor( htmlText, cursorPosition ) {
-		// Descriptive placeholder: This logic still needs to be implemented.
+	onHTMLContentWithCursor( htmlText, start, end ) {
+		if ( ! this.props.onSplit ) {
+			// TODO: insert the \n char instead?
+			return;
+		}
+		this.splitContent( htmlText, start, end );
+	}
+
+	splitContent( htmlText, start, end ) {
+		const { onSplit } = this.props;
+		if ( ! onSplit ) {
+			return;
+		}
+		onSplit( htmlText, start, end );
 	}
 
 	onActiveFormatsChange( formats ) {