Write the type of reaction for: ca(oh)2 + al2(so4)3 \rightarrow caso4 + al(oh)3

Which is mostly likely why many scientists reject the cold fusion theory

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I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!