What happens when metal reacts with water?

Answer 1

Most metals react VERY slowly, but some react vigorously .Metals will produce either the hydroxide or oxide....

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Answer 2

The reaction of a metal with water will depend on the particular metal. For example, when sodium metal reacts with water, you have 2Na(s) + 2H2O(l) ==> 2NaOH(aq) + H2(g). This is the case with most group I metals. For group II metals, such as Mg or Cu, you have formation of 1:1 compounds as oxides, i.e. MgO, CaO and 1:2 compounds like in hydroxides, i.e. Mg(OH)2, Cu(OH)2.
Mg + H2O ==> MgO + H2 or Mg + 2H2O ==> Mg(OH)2 + H2

Answer 3

Alkali metals reacts violently with water forming a hydroxide and hydrogen; alkali earth metals react with water but no so violent.
Other metals doesn't generally react with water at room temperature.

Answer 4

corrosion, then rust starts to begin.