更新1:
I mean, will some metal oxide ,which is completely insouble in the water , such as MgO , form a slightly alkaline solution after you put it in a glass of water?
Metal oxide
2007-01-11 4:17 am
Why metal oxide dissolve in water will form a slightly alkaline solution although it is insoluble in water?
回答 (2)
2007-01-11 8:01 am
✔ 最佳答案
It is because when the metal oxide reacts with water,hydroxide ions (OH-) has formed,so it will form a slightly alkaline solution,although that chemical is slightly soluable,like Calcium Hydroxide {Ca(OH)2} 
2007-01-11 5:40 am
What do you mean by an insoluble metal oxide dissolve in water .......
How can an insoluble metal oxide dissolve in water? can you give an example?
How can an insoluble metal oxide dissolve in water? can you give an example?
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