Magnesium oxide reacts with water

Magnesium oxide reacts with water

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Caption: Magnesium oxide reacts with water. A small amount of magnesium oxide (MgO, magnesia) in a test tube is mixed with water. Magnesium hydroxide (Mg(OH)2, milk of magnesia) is produced in the reaction: MgO + H2O -> Mg(OH)2. Magnesium hydroxide is poorly soluble in water. It still produces enough hydroxide ions to turn phenolphthalein indicator pink, indicating an alkaline resulting solution.

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Keywords: alkaline, basic, chemical, chemistry, chemistry experiment, h2o, hydroxide, indicator, magnesia, magnesium hydroxide, magnesium oxide, mgo, mgoh2, milk of magnesia, oxide, phenolphthalein, reaction, reactivity, synthesis, test tube, water

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