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					Originally Posted by phukraut
					
				 
				According to Kotz & Treichel (3rd ed.), 
 
Mg(s) + 2H_2O(l) --> Mg(OH)_2(s) + H_2(g) + heat.
  
			
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 From what I remember from Chemistry, this is probably the one your thinking off.. cause, when you do physically do this (which I have 

).. the magnesium glows from the heat it gives off, releases a gas, and leaves crap in the container, so I'm almost certain that this is the right reaction