Chicken Pasta Salad

1–8 0z. pkg. bow tie pasta cooked and cooled
1–8 oz. colored spiral pasta cooked and cooled
1–20 oz can pineapple tidbits, drained
2 C. chopped celery
4 green onions, chopped
8 oz. pkg. craisins (you can add more or less)
1 C cashews (add nuts just before serving b/c they go soggy)
4 chicken breasts cooked and diced
1 c. red seedless grapes cut in half (I like to double this because I love grapes)

Dressing:
16 oz. Kraft or Litehouse coleslaw dressing ( I like the Litehouse better than the Kraft)
1 C. mayo