Answer
MgCO$_{3}$(s) + heat --> MgO(s) + CO$_{2}$(g)
Mg(OH)$_{2}$(s) + heat --> MgO(s) + H$_{2}$O(g)
Work Step by Step
MgCO$_{3}$(s) + heat --> MgO(s) + CO$_{2}$(g)
Mg(OH)$_{2}$(s) + heat --> MgO(s) + H$_{2}$O(g)
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