I am by no mean a chemist, but I was doing some research for a person project of mine. Thus, I wanted to know if the Magnesium in the following reaction can be replaced with another compound/element? (Ex. Fe) If so, what compound/elements would be an equivalent substitute in theory to achieve the following goal of the compound CaH2?
CaO + Mg + H2 → CaH2 + MgO
If not, can there be a substitute in this reaction?