JSFiddle - React, Tailwind, and code Playground

HTML

<div class="image1 image">
  <p>Hover for cat 1</p>
</div>
<div class="image2 image">
  <p>Hover for cat 2</p>
</div>
<div class="image3 image">
  <p>Hover for cat 3</p>
</div>
<div class="default">
  <p>Default Text</p>
</div>
<div id="cats">
  <p class="cat1">Category 1 text</p>
  <p class="cat2">Category 2 text</p>
  <p class="cat3">Category 3 text</p>
</div>

CSS

.cat1 {
    display: none;
}
.cat2 {
    display: none;
}
.cat3 {
    display: none;
}
* {
    font-size: 20px;
    text-align: center;
}
.image1, .image2, .image3 {
    float: left;
    width: 150px;
    border: thin solid #CCC;
    margin-bottom: 20px;
}
#cats, .default { 
    width: 450px;
}

JavaScript

$(".image").hover(function() {
    $(".default").toggle();
    $("#cats p").eq($(this).index()).toggle();
});