I hit my mother out of anger?

My mother and I had an argument and she threatened to tell my father about the chats she found with my boyfriend. She said it out of nowhere and I lost my cool. She promised she would never talk about this ever again but did it anyways. This caused me to lose trust in her and perceive her as a mean and vindictive woman. We ended up engaging in a physical altercation and I held her face with force, after which she got emotional and started crying. She then justified herself by saying I pushed her to the brink and she said it out of rage. I know what I did was wrong, but are her actions justified? Should she have broken my trust like that?

I hit my mother out of anger?
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