Guys, I sent my ex a text what should I do now?

The reason we broke up is because he is a huge dick (he broke up with me because I think girls and boys are equal). He called me after the break up and he said I will call you back later I am really busy now. So I've been waiting for 3 days and I haven't heard anything from him so I sent him a text back saying: hey just asking if everything is okay because you haven't called after our last call?'' Did I do something really stupid?
Guys, I sent my ex a text what should I do now?
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