Magnesium oxide will react with water to form Magnesium Hydroxide.Magnesium Hydroxide will not reat further with water
No, magnesium is its natural state while magnesium oxide is formed magnesium heated in oxygen or air
Oxygen.
Magnesium oxide is MgO and magnesium sulfate is MgSO4. Two completely different compounds.
Burn a piece of magnesium (just did an assessment on that)