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					Originally Posted by vinaur
					
				 
				Even if Mg in water yields MgO, it will then turn to Mg(OH)2, because a metal oxide in water yields a base (all of them do), so at the end you still have Mg(OH)2. 
			
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 Oh yeah good point Vinaur
 
teacher said : 
Cold water = slow reaction.. MgO forms
 
Hot water = fast reaction Mg(OH)2 forms
   
		
		
		
		
		
			
				__________________ 
				"When you sit with a nice girl for two hours, it seems like two minutes. 
When you sit on a hot stove for two minutes, it seems like two hours. 
That's relativity." 
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