Because combustion reactions only occur with Carbon, Hydrogen, and Oxygen.
The balanced equation for the reaction between MgO and H2O is MgO + H2O -> Mg(OH)2.
Thermal decomposition. MgCO3(s) ==heat==> MgO + CO2
The reaction is between Mg and O2. 2Mg+O2->2MgO
2 Mg + CO2 = 2 MgO + C The reaction is possible only at high temperature.
You cannot 'burn' MgO, it is refactory. I take it you mean burning Magnesium metal in oxygen - if so the answer is that the magnesium is oxidised to MgO and the oxygen is reduced - all reduction/oxidation ('redox') reactions are coupled - if something is oxidised the other is reduced.
The balanced equation for the reaction between MgO and H2O is MgO + H2O -> Mg(OH)2.
combination reaction
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Thermal decomposition. MgCO3(s) ==heat==> MgO + CO2
The decomposition reaction of magnesium dichloride results in magnesium metal and chlorine gas. The reaction is MgCl2 -> Mg + Cl2.
The reaction is between Mg and O2. 2Mg+O2->2MgO
The chemical reaction is:2 Mg + O2 = 2 MgO
I'm not entirely sure but an unbalanced equation is: Mg + O2 -----> MgO
Oxidation reaction 2Mg + O2 ----------- 2MgO
3Mgo+2B
2 Mg + CO2 = 2 MgO + C The reaction is possible only at high temperature.
You cannot 'burn' MgO, it is refactory. I take it you mean burning Magnesium metal in oxygen - if so the answer is that the magnesium is oxidised to MgO and the oxygen is reduced - all reduction/oxidation ('redox') reactions are coupled - if something is oxidised the other is reduced.