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How to Balance Magnesium oxide + Water → Magnesium hydroxide |
How to Balance: MgO + H2O → Mg(OH)2
Type of Chemical Reaction: This is a combination reaction.
Word Equation: Magnesium oxide + Water → Magnesium hydroxide
| Balancing Strategies: In this combination reaction the MgO and H2O come together to from Magnesium hydroxide. That's way it's called a combination reaction.
Be sure to count all of the oxygen atoms on the reactant (left) side of the equation. There is an O atom in both MgO and one in H2O. For a complete explanation, watch:
About Balancing Chemical EquationsWhen balancing chemical equations our goal is to have the same number of each type of atom on both sides of the equation.Only change the coefficients (these are the numbers in front substances).
 Never change the subscripts (the small numbers after elements).
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