The two basic substances that dissolve easily in water are sugar and salt. It's a little harder to have flour dissolve in water, though. This is a great opportunity for you to test things out! Get a small glass of water. Grab a pinch of a powdery substance such as cinnamon or nutmeg. Drop the powdery substance into the glass of water, and watch it carefully for about 6 or 10 minutes.
Salt and Sugar dissolve in water.
In general, polar molecules. Oil, a no polar substance, does not dissolve in water.
Water is a polar substance, which means that any other polar substances will dissolve in it. The opposite is mineral turpentine which is non-polar so all non-polar substances dissolve in it.
Some hydrophobic substances are soluble in water (ex.: proteins).
Substances with nonpolar molecules are not dissolved in water.
Nutilite's vitamins dissolve in water.
Salt and Sugar dissolve in water.
I'm not sure what your asking but the term for substances that are unable to dissolve in water are called unsoluable.
Water does not dissolve everything. Some substances dont mix with water. Those are hydrophobic substances, ex: oil molecules
Many different substances dissolve easily in water, but there are some which don't, particularly oily substances. Soap makes these substances dissolve in water.
In general, polar molecules. Oil, a no polar substance, does not dissolve in water.
Water is a polar substance, which means that any other polar substances will dissolve in it. The opposite is mineral turpentine which is non-polar so all non-polar substances dissolve in it.
sugar, salt
insoluble
substances that dissolve in water include, sugar, salt and others.
Different types of powder
Some hydrophobic substances are soluble in water (ex.: proteins).