JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" name="rbl" value="none"/>none<br/>
<input type="radio" name="rbl1" value="left"/>left<br/>
<input type="radio" name="rbl2" value="right"/>right<br/>
    

<div id="divid">Here's the div</div>

CSS

#divid {display: none;}

JavaScript

$("input[name='rbl1']").hover(
    function() { $("#divid").toggle(); }
);