Step 1: Identify the type of vitamins.
Vitamins are classified as water-soluble (B-complex, C) and fat-soluble (A, D, E, K).
Step 2: Solubility properties.
Vitamin A and K are fat-soluble; they are not soluble in water.
Step 3: Storage in the body.
Fat-soluble vitamins can be stored in adipose tissue and the liver, whereas water-soluble vitamins are generally not stored and are excreted in urine.
Step 4: Final conclusion.
Vitamin A & K are insoluble in water and can be stored in adipose tissue:
\[
\boxed{\text{Vitamin A \& K are insoluble in water and can be stored in Adipose tissue}}
\]