My current os is MAC OS X 10.6.8 can i install MAC OS X 10.7

My current os is MAC OS X 10.6.8 can I install MAC OS X 10.7 for my below mention system does it meet the system requirement for 10.7 MAC OS X LION

MAC OS X 10.6.8

Hardware Overview:

Model Name: MacBook

Model Identifier: MacBook4,1

Processor Name: Intel Core 2 Duo

Processor Speed: 2.1 GHz

Number Of Processors: 1

Total Number Of Cores: 2

L2 Cache: 3 MB

Memory: 2 GB

Bus Speed: 800 MHz

Boot ROM Version: MB41.00C1.B00

SMC Version (system): 1.31f1

Serial Number (system): W88295VJ0P0

Hardware UUID: D57F976E-0C5E-567A-869E-41EB03DF6F9D

Sudden Motion Sensor:

State: Enabled

THANX IN ADVANCE!!!!!!!!!!!!!!!