How to copy a list to another list<>????

Hi,
   i have to Two class with same variable and method....
i want to copy the value of one class to another another class.
i am holding the value into List<>.
First Class:
public class BOComboBoxFilling
    {
        private string _name;
        public string Name
        {
            get { return _name; }
            set { _name = value; }
        }

        private string _namevalue;
        public string NameValue
        {
            get { return _namev ...