Although chalk paint is great in that generally you don't need to sand etc it really is worth prepping your kitchen units properly, ensuring their is no grease on them. There are some projects here on hometalk which will inspire and guide you https://www.hometalk.com/search/posts?filter=chalk%20paint%20kitchen%20unit
Hi Colleen!! I have painted several kitchen cabinets with chalk paint! I use Annie sloan. No sanding! Did you know that chalk paint was brought to the United States by a mom who was looking for a non toxic paint for her kitchen cabinets?! How neat is that!
Here is a post on how to paint kitchen cabinets with chalk paint.
Chalk paint doesn’t wear well in a kitchen. Your best bet is to use an high quality primer and paint or I used a kit by Rust-Oleum called Cabinet Transformations to paint my cabinets. You can see how I did it here: https://www.flippingtheflip.com/2015/09/kitchen-cabinets-black.html