2 cups cooked chicken breasts, cut in chunks  | 
                                                1 1/2 cups chopped celery  | 
                                                1/2 cup sliced water chestnut  | 
                                                3 tablespoons minced onions  | 
                                                3 tablespoons lemon juice  | 
                                                1/2 teaspoon salt  | 
                                                1/2 teaspoon black pepper  | 
                                                1/2 cup pecans  | 
                                                3/4 cup mayonnaise  | 
                                                1 can sliced mushroom  | 
                                                1 can cream of chicken soup  |