JSFiddle - React, Tailwind, and code Playground

HTML

<div class="showhim">HOVER ME<div class="showme">hai</div><div class="ok">ok</div></div>

CSS

.showme{ 
display: none;
}
.showhim:hover .showme{
display : block;
}
.showhim:hover .ok{
display : none;
}