Classify the reactions

Question

(combustion, synthesis, decomposition, replacement, or double replacement)

CaO9(s)+H20(l)�¨ Ca(OH2(ag)

Ca(ClO3)2(s)�¨CaCl2(s)+O2(g)

Answer 1

Your first equation needs work. There is no CaO9.
What don't you understand about these terms. Naming the kind of reaction is about understanding the terms.