There are a few different ways that you can hover text over an image in WordPress. The easiest way is to use the WordPress text widget.
To do this, click on the text widget that you want to use, and then select the hover option from the menu that pops up.
If you want to use a custom function, you can do that too. However, this is a more advanced approach, and is not covered in this article.
The easiest way to do this is to use the WordPress text widget.