Sort Red and Blue balls

public void ReArrange()

        {

            string[] List = { "Red", "White", "Red", "White", "White", "White", "Red", "Red", "White" };

            string temp;

            for (int i = 0; i < List.Length; i++)

            {

                if (List[i] == "White")

                {

                    for (int j = i; j < List.Length; j++)

                    {

                        if (List[j] == "Red")

                        {

                            temp = List[i];

                            List[i] = List[j];

                            List[j] = temp;

                            break;

                        }

                    }

                }               

            }

            foreach (var item in List)

            {

                Response.Write(item);

            }

        }