JSFiddle - React, Tailwind, and code Playground
HTML
<section class='container-1'>
<div class='elem'>qwerty</div>
<div class='elem'>qwerty</div>
</section>
<section class='container-2'>
<div class='elem'>qwerty</div>
<div class='elem'>qwerty</div>
</section>
JavaScript
$(document).on('click', 'section.container-1 div.elem', (function() {
$('section.container-2').append(this) ;
})